<template>
	<div ref="scEcharts" :style="{height:height, width:width}"></div>
</template>

<script>
import * as echarts from 'echarts';
import T from './echarts-theme-T.js';
echarts.registerTheme('T', T);
const unwarp = (obj) => obj && (obj.__v_raw || obj.valueOf() || obj);

export default {
	...echarts,
	name: "scEcharts",
	props: {
		height: { type: String, default: "100%" },
		width: { type: String, default: "100%" },
		nodata: {type: Boolean, default: false },
		option: { type: Object, default: () => {} }
	},
	data() {
		return {
			isActivat: false,
			myChart: null
		}
	},
	watch: {
		option: {
			deep:true,
			handler (v) {
				unwarp(this.myChart).setOption(v);
			}
		}
	},
	computed: {
		myOptions: function() {
			return this.option || {};
		}
	},
	activated(){
		if(!this.isActivat){
			this.$nextTick(() => {
				this.myChart.resize()
			})
		}
	},
	deactivated(){
		this.isActivat = false;
	},
	mounted(){
		this.isActivat = true;
		this.$nextTick(() => {
			this.draw();
		})
	},
	methods: {
		draw(){
			var myChart = echarts.init(this.$refs.scEcharts, 'T');
			myChart.setOption(this.myOptions);
			this.myChart = myChart;
			window.addEventListener('resize', () => myChart.resize());
		}
	}
}
</script>
